Improvements in jib cranes, derricks and the like,申请号GB19310009255-传众专利搜索

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发明名称	Improvements in jib cranes, derricks and the like
摘要
申请公布号	GB385601(A)	申请公布日期	1932.12.28
申请号	GB19310009255	申请日期	1931.03.26
申请人	ALFRED WILLIAM FARNSWORTH	发明人
分类号	B66C23/90	主分类号	B66C23/90
代理机构		代理人
主权项
地址

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